The ornamental design for a bladesquare, as shown and described.
FIG. 1 is a side view of the blade square of the invention, shown in its fully closed configuration;
FIG. 2 is a top view of the blade square;
FIG. 3 is a bottom view of the blade square;
FIG. 4 is an opposite side view of the blade square;
FIG. 5 is a forward end view of the blade square;
FIG. 6 is a rearward end view of the blade square;
FIG. 7 is a perspective view, taken from the bottom and the forward end of the blade square;
FIG. 8 is a perspective view taken from the top and the forward end of the blade square, shown in its open configuration with the blade unfolded; and,
FIG. 9 is a perspective view from the bottom of the blade square, shown in its open configuration with the blade unfolded and also longitudinally extended.